Patents by Inventor Joanna Louise Costura

Joanna Louise Costura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Particulate trap with selective blocking element
    Patent number: 7332016
    Abstract: A particulate trap has a housing with an inlet and an outlet. The particulate trap also has a plurality of fluidly isolated filters stacked within the housing, between the inlet and the outlet. The stacked plurality of filters have a stack direction and a transverse direction and the flow of exhaust is directed through the plurality of filters in the transverse direction. The particulate trap further has an actuator with a blocking portion configured for linear movement to selectively block exhaust flow through each of the plurality of filters.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: February 19, 2008
    Assignee: Caterpillar Inc.
    Inventors: Joanna Louise Costura, Matthew E. Williams, Matthew T. Kiser, Cornelius N. Opris, J. Josh Driscoll, Dave Michael Thaler, Robert L. Meyer
  • Particulate trap filter element
    Patent number: 7291197
    Abstract: A filter element has a filter media and at least one base member. The filter element further has a ceramic paste connecting the filter media to the at least one base member.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: November 6, 2007
    Assignee: Caterpillar Inc.
    Inventors: Joanna Louise Costura, Matthew E. Williams, Matthew T. Kiser, Cornelius N. Opris, Dave Michael Thaler, Amy Fluharty
  • Particulate trap
    Patent number: 7288137
    Abstract: A particulate trap has a plurality of filters and an air distributor. The air distributor has a first flow member and a second flow member. Each of the first and second flow members have a plurality of openings to allow exhaust flow through the plurality of filters. At least one of the first and second flow members is movable to selectively block exhaust flow to at least one of the plurality of filters at a given time.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: October 30, 2007
    Assignee: Caterpillar Inc.
    Inventors: Kartik Ganesan Iyer, Kerry Allen Delvecchio, Joanna Louise Costura